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Author Topic: Which one will roll down faster?  (Read 4442 times)
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Fu-Kwun Hwang
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on: March 13, 2010, 11:15:43 pm » posted from:Taipei,T\'ai-pei,Taiwan

There are two disks with the same radius R in the following simulation.
The rolling motion for both disk are the same because both disks has the same radius and mass.
Assume the density is the same, what will happen if one of the disk is larger?
If we replace one of the disk with larger radius, r_1>r_2 (m_1>m_2, then
which one of them will roll down faster?
The one with larger radius? or the one with smaller radius ? WHY?


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